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46f0810215
EditorBase stores PlaceholderTransaction with nsWeakPtr. However, retrieving its pointer requires a QI. So, for reducing the QI cost, EditorBase should use WeakPtr instead and PlaceholderTransaction needs to inherit SupportsWeakPtr instead of nsSupportsWeakReference. MozReview-Commit-ID: IYwSTbJebMk --HG-- extra : rebase_source : fa728b09afa826506befbeb46aba54075ecf4787
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsIAbsorbingTransaction_h__
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#define nsIAbsorbingTransaction_h__
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#include "nsISupports.h"
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/*
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Transaction interface to outside world
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*/
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#define NS_IABSORBINGTRANSACTION_IID \
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{ /* a6cf9116-15b3-11d2-932e-00805f8add32 */ \
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0xa6cf9116, \
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0x15b3, \
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0x11d2, \
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{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
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class nsIAtom;
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namespace mozilla {
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class EditorBase;
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class PlaceholderTransaction;
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class SelectionState;
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} // namespace mozilla
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/**
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* A transaction interface mixin - for transactions that can support.
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* the placeholder absorbtion idiom.
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*/
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class nsIAbsorbingTransaction : public nsISupports{
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IABSORBINGTRANSACTION_IID)
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NS_IMETHOD EndPlaceHolderBatch()=0;
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NS_IMETHOD GetTxnName(nsIAtom **aName)=0;
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NS_IMETHOD StartSelectionEquals(mozilla::SelectionState* aSelState,
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bool* aResult) = 0;
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NS_IMETHOD ForwardEndBatchTo(nsIAbsorbingTransaction *aForwardingAddress)=0;
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NS_IMETHOD Commit()=0;
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NS_IMETHOD_(mozilla::PlaceholderTransaction*)
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AsPlaceholderTransaction() = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIAbsorbingTransaction,
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NS_IABSORBINGTRANSACTION_IID)
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#endif // nsIAbsorbingTransaction_h__
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